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You searched for: All Creators East, J. H., Jr. Remove constraint All Creators: East, J. H., Jr. Subject Topical Mine safety. Remove constraint Subject Topical: Mine safety.
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1. Safety catches on mine cages and methods of testing them.

Creator Personal:
East, J. H., Jr. , Harrington, D. (Daniel), 1878-
Title:
Safety catches on mine cages and methods of testing them.
Call Number:
P19455
Date:
1948
Description:

Serial issue. Issued as: United States. Bureau of Mines. Information circular, 7436 (1948).

Subject Topical:
Mine safety.
All:
Mine safety.